<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">

<html>  
  <head>  
    <title>About SWI-Prolog Semantic Web Server</title>
  </head>  
<body>
<h1 align=center>Welcome to the <br>
		 SWI-Prolog Semantic Web Server</h1>

<p>
This server provides a Web frontend to the <a
href="http://www.swi-prolog.org/packages/semweb.html">SWI-Prolog SemWeb
package</a> supporting both the <a href="http://www.w3.org/TR/rdf-sparql-query/">SPARQL</a> and <a href="http://www.openrdf.org/">Sesame SeRQL</a>
query language.

<h4>About this server</h4>

This server is built on top of the <a
href="http://hcs.science.uva.nl/projects/SWI-Prolog/articles/TPLP-plweb.pdf">SWI-Prolog
Web infrastructure</a>.  It provides a web front-end to the SWI-Prolog <a
href="http://hcs.science.uva.nl/projects/SWI-Prolog/articles/iswc-03.pdf">Semantic
Web libraries</a>.  Features:

<ul>
  <li>Fast in-memory RDF triple store, scalable to approx. 25 million triples on 32-bit and
      virtually unlimited on 64-bit hardware.
  <li>Persistent store using journal files
  <li>Compiles SPARQL and SeRQL queries to Prolog goals
  <li>Supports SPARQL and SeRQL 1.2 HTTP protocol for remote access
  <li>Can be used as library for Semantic Web applications
</ul>

<h4>Further information and contact</h4>

<ul>
  <li><a href="http://www.swi-prolog.org/">SWI-Prolog site</a>
  <li><a href="http://www.swi-prolog.org/publications.html">Publications on SWI-Prolog</a>
  <li><a href="http://www.w3.org/TR/rdf-sparql-query/">SPARQL Documentation</a>
  <li><a href="http://www.openrdf.org/">Sesame and SeRQL site</a>
  <li><a href="http://gollem.science.uva.nl/twiki/pl/bin/view/Library/SeRQL">SeRQL/Prolog Wiki</a>
  <li><a href="http://www.swi-prolog.org/mailinglist.html">Prolog mailinglist</a>
  <li><a href="http://www.openrdf.org/forum">Sesame discussion forum</a>
  <li><a href="mailto:wielemak@science.uva.nl">Mail the author (Jan Wielemaker)</a>
</ul>

</body>
</html>
